Comparative analysis of active drag using the MAD system and an assisted towing method in front crawl swimming.

abstract：:In sweep-oar rowers, asymmetrical force production of the legs is a known phenomenon. The purpose of this study was to investigate the muscular activity of the legs that may cause this asymmetry even when oarsmen perform a symmetrical endurance task. Seven male young elite oarsmen performed an all-out 2000-m test on a...

journal_title：Journal of applied biomechanics

authors： Janshen L,Mattes K,Tidow G

更新日期：2009-05-01 00:00:00

abstract：:The goal of this research was to analyze the effects of fatigue on the shock waves generated by foot strike. Twenty-two subjects were instrumented with an externally attached, lightweight accelerometer placed over the tibial tuberosity. The subjects ran on a treadmill for 30 min at a speed near their anaerobic thresho...

journal_title：Journal of applied biomechanics

authors： Verbitsky O,Mizrahi J,Voloshin A,Treiger J,Isakov E

更新日期：1998-08-01 00:00:00

abstract：:Although the lift force (F(L)) on a spinning baseball has been analyzed in previous studies, no study has analyzed such forces over a wide variety of spins. The purpose of this study was to describe the relationship between F(L) and spin for different types of pitches thrown by collegiate pitchers. Four high-speed vid...

journal_title：Journal of applied biomechanics

authors： Nagami T,Higuchi T,Nakata H,Yanai T,Kanosue K

更新日期：2016-04-01 00:00:00

abstract：:Researchers conduct gait analyses utilizing both overground and treadmill modes of running. Previous studies comparing these modes analyzed discrete variables. Recently, techniques involving quantitative pattern analysis have assessed kinematic curve similarity in gait. Therefore, the purpose of this study was to comp...

journal_title：Journal of applied biomechanics

authors： Fellin RE,Manal K,Davis IS

更新日期：2010-11-01 00:00:00

abstract：:Multiple sclerosis (MS) causes severe gait problems in relatively young individuals, yet there have been limited studies to quantitatively identify the specific gait parameters that are affected. The purpose of this study was to define any differences in biomechanical gait parameters between patients with MS and healt...

journal_title：Journal of applied biomechanics

authors： Huisinga JM,Schmid KK,Filipi ML,Stergiou N

更新日期：2013-06-01 00:00:00

abstract：:The purpose of this study was to analyze the influence of varying running shoe midsole composition on lower extremity dynamics with and without a custom foot orthotic intervention. Three-dimensional dynamics were collected on 12 female runners who had completed 6 weeks of custom foot orthotic therapy. Participants com...

journal_title：Journal of applied biomechanics

authors： Maclean CL,Davis IS,Hamill J

更新日期：2009-02-01 00:00:00

abstract：:The purpose of this study was to examine how wave-induced platform motion effects postural stability when handling loads. Twelve participants (9 male, 3 female) performed a sagittal lifting/lowering task with a 10 kg load in different sea conditions off the coast of Halifax, Nova Scotia, Canada. Trunk kinematics and f...

journal_title：Journal of applied biomechanics

authors： Duncan CA,Mackinnon SN,Albert WJ

更新日期：2012-05-01 00:00:00

abstract：:The aim was to compare torque and rate of torque development of lower limb muscles between older women with functional and slow gait speeds to determine which muscle group is the best predictor of functional gait speed, and to establish strength thresholds needed for functional walking speed. Torque and rate of torque...

journal_title：Journal of applied biomechanics

authors： Morcelli MH,LaRoche DP,Crozara LF,Marques NR,Hallal CZ,Gonçalves M,Navega MT

更新日期：2018-08-01 00:00:00

abstract：:This study examined lower extremity joint moments during walk and turn with different turn angles and pivot feet. Seven young adults (age 21+/-1.3 yrs) were asked to walk at a self-selected speed (1.35+/-0.15 m/s) and to turn to the right using right (spin turn) and left (step turn) pivot feet at turn angles of 0 degr...

journal_title：Journal of applied biomechanics

authors： Xu D,Chow JW,Wang YT

更新日期：2006-02-01 00:00:00

abstract：:Patients with hip osteoarthritis (OA) have difficulty with mediolateral postural control. Since the symptom of hip OA includes joint pain, which mostly occurs upon initial movement, patients with hip OA might have disabling problems with movement initiation. This study aimed to identify the movement strategy during th...

journal_title：Journal of applied biomechanics

authors： Tateuchi H,Ichihashi N,Shinya M,Oda S

更新日期：2011-02-01 00:00:00

abstract：:The segment principal moments of inertia of a sample of 7 elderly males and 12 elderly females were estimated using a model based on stacked elliptical cylinders at 2-cm intervals. Apart from the thigh, all male parameters were larger than female parameters. The largest differences were for the lower trunk and hand an...

journal_title：Journal of applied biomechanics

authors： Jensen RK,Fletcher P

更新日期：1993-11-01 00:00:00

abstract：:A prolonged standing exposure can identify asymptomatic adults who have a higher risk of developing clinical low back pain later in life. Hip abductor cocontraction differences can predict low back pain development during standing exposures. This study's purpose was to determine if hip abductor strength, fatigability,...

journal_title：Journal of applied biomechanics

authors： Viggiani D,Callaghan JP

更新日期：2018-02-01 00:00:00

abstract：:Given its apparent representation of cumulative (vs peak) loads, this feasibility study investigates vertical ground reaction impulse (vGRI) as a real-time biofeedback variable for gait training aimed at reducing lower limb loading. Fifteen uninjured participants (mean age = 27 y) completed 12 2-min trials, 1 at each ...

journal_title：Journal of applied biomechanics

authors： Golyski PR,Bell EM,Husson EM,Wolf EJ,Hendershot BD

更新日期：2018-04-01 00:00:00

abstract：:This preliminary study aimed to quantify the magnitude of the peak shoulder distraction force during the bowling action of female cricket fast bowlers. An eight camera Vicon motion analysis system operating at 120 Hz recorded the fast bowling actions of 18 Australian female fast bowlers. A three segment inverse soluti...

journal_title：Journal of applied biomechanics

authors： Stuelcken MC,Ferdinands RE,Ginn KA,Sinclair PJ

更新日期：2010-08-01 00:00:00

abstract：:The purpose of this study was to indicate the effect of fatigue on the underwater right arm stroke motion during the 100-m front crawl. The arm stroke motions of eight male competitive swimmers were captured three-dimensionally at 60 Hz in the positions of 15 m and 65 m from the start. The hand velocity, the arm angul...

journal_title：Journal of applied biomechanics

authors： Suito H,Ikegami Y,Nunome H,Sano S,Shinkai H,Tsujimoto N

更新日期：2008-11-01 00:00:00

abstract：:Altered scapular movement in subacromial pain syndrome has been demonstrated using discrete data reduction approach. However, this approach does not consider the data collinearity and variability, and scapular translations are poorly investigated in symptomatic individuals. The purpose of this study was to investigate...

journal_title：Journal of applied biomechanics

authors： Rossi DM,Resende RA,Hotta GH,da Fonseca ST,de Oliveira AS

更新日期：2020-02-25 00:00:00

abstract：:Anterior cruciate ligament (ACL) injury is one of the most common knee injuries among adolescent athletes. Majority of the ACL injuries occur due to pivoting, sudden deceleration, and direction change without contact with any player. Preventive interventions can reduce risks of the ACL injury, thus developing a clinic...

journal_title：Journal of applied biomechanics

authors： Eltoukhy M,Kuenze C,Oh J,Apanovitch E,Butler L,Signorile JF

更新日期：2019-02-01 00:00:00

abstract：:The aim of this study was to assess the effect of physical exercise on postural stability in sighted participants and individuals who are visually impaired, adjusted for potential modulatory effects of physical activity level and body mass index (BMI). The study included 23 participants who were severely visually impa...

journal_title：Journal of applied biomechanics

authors： Sadowska D,Stemplewski R,Szeklicki R

更新日期：2015-10-01 00:00:00

abstract：:This study aimed to develop insight into the lower extremity joint coupling motions used in the maximal velocity phase of sprint running. Two-dimensional coordinate data were used to derive sagittal plane joint angle profiles of sprint running trials. Intralimb joint coupling motions were examined using a continuous r...

journal_title：Journal of applied biomechanics

authors： Gittoes MJ,Wilson C

更新日期：2010-05-01 00:00:00

abstract：:The purpose of the present study was to examine the effect of chronic ankle instability (CAI) on lower-extremity joint coordination and stiffness during landing. A total of 21 female participants with CAI and 21 pair-matched healthy controls participated in the study. Lower-extremity joint kinematics were collected us...

journal_title：Journal of applied biomechanics

authors： Li Y,Ko J,Walker MA,Brown CN,Simpson KJ

更新日期：2021-01-15 00:00:00

abstract：:The purpose of this study was to investigate age-related differences in muscle power during a surrogate task of trip recovery. Participants included 10 healthy young men (19-23 years old) and 10 healthy older men (65-83). The task involved releasing participants from a forward-leaning posture. After release, participa...

journal_title：Journal of applied biomechanics

authors： Madigan ML

更新日期：2006-08-01 00:00:00

abstract：:Running on a lower-body positive-pressure (LBPP) treadmill allows effects of weight support on leg muscle activation to be assessed systematically, and has the potential to facilitate rehabilitation and prevent overloading. The aim was to study the effect of running with weight support on leg muscle activation and to ...

journal_title：Journal of applied biomechanics

authors： Jensen BR,Hovgaard-Hansen L,Cappelen KL

更新日期：2016-08-01 00:00:00

abstract：:As the modern workplace is dominated by submaximal repetitive tasks, knowledge of the effect of task location is important to ensure workers are unexposed to potentially injurious demands imposed by repetitive work in awkward or sustained postures. The purpose of this investigation was to develop a three-dimensional s...

journal_title：Journal of applied biomechanics

authors： McDonald AC,Brenneman EC,Cudlip AC,Dickerson CR

更新日期：2014-02-01 00:00:00

abstract：:The length of a muscle's moment arm can be estimated non-invasively using ultrasound, and the tendon excursion method. The main assumption with the tendon excursion method, however, is that the force acting on the tendon during passive rotation is constant. However, passive force changes through the range of motion, a...

journal_title：Journal of applied biomechanics

authors： Fletcher JR,MacIntosh BR

更新日期：2018-01-24 00:00:00

abstract：:Weak hip muscle strength and excessive hip motion during running have been suggested as potential risk factors for developing patellofemoral pain syndrome (PFPS) in females, but not males. There is conflicting evidence on the relationship between hip strength and hip kinematics, which may be partly due to sex differen...

journal_title：Journal of applied biomechanics

authors： Hannigan JJ,Osternig LR,Chou LS

更新日期：2018-02-01 00:00:00

abstract：:Inertial measurement units (IMU) provide a convenient tool for gait stability assessment. However, it is unclear how various gait characteristics relate to each other and whether gait characteristics can be obtained from resultant acceleration. Therefore, step duration variability was measured in treadmill walking fro...

journal_title：Journal of applied biomechanics

authors： Rantalainen T,Hart NH,Nimphius S,Wundersitz DW

更新日期：2016-08-01 00:00:00

abstract：:Elbow varus torque is a primary factor in the risk of elbow injury during pitching. To examine the effects of shoulder abduction and lateral trunk tilt angles on elbow varus torque, we conducted simulation and regression analyses on 33 college baseball pitchers. Motion data were used for computer simulations in which ...

journal_title：Journal of applied biomechanics

authors： Matsuo T,Fleisig GS

更新日期：2006-05-01 00:00:00

abstract：:This study aimed to compare the between-session reliability of the load-velocity relationship between (1) linear versus polynomial regression models, (2) concentric-only versus eccentric-concentric bench press variants, as well as (3) the within-participants versus the between-participants variability of the velocity ...

journal_title：Journal of applied biomechanics

authors： Pestaña-Melero FL,Haff GG,Rojas FJ,Pérez-Castilla A,García-Ramos A

更新日期：2018-06-01 00:00:00

abstract：:The purpose of this study was to investigate muscle and tendon properties in highly trained sprinters and their relations to running performance. Fifteen sprinters and 15 untrained subjects participated in this study. Muscle thickness and tendon stiffness of knee extensors and plantar flexors were measured. Sprinter m...

journal_title：Journal of applied biomechanics

authors： Kubo K,Ikebukuro T,Yata H,Tomita M,Okada M

更新日期：2011-11-01 00:00:00

abstract：:This study describes and contrasts the kinematics and kinetics of stair ambulation in people with chronic stroke and healthy control subjects. Three-dimensional motion data were collected from 10 persons with stroke (7 males) and 10 sex and age-matched older adults as they ascended and descended an instrumented stairc...

journal_title：Journal of applied biomechanics

authors： Novak AC,Brouwer B

更新日期：2013-08-01 00:00:00